Seiko Cal. 6668 - 378

Seiko 6668-378

This Automatic model from 1973 features a 35mm Stainless Steel case. Powered by the 6668 caliber with 33j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-b1a96722db73]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Cream
Jewels
33j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1973

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